'Monster Cop' Ma Seok-do investigates an illegal online gambling business led by a former STS Baek and an IT genius CEO Chang. Ma proposes an unexpected alliance to Jang and begins hunting down the criminals.
109 min.
Heo Myeong-haeng
| Ma Dong-seok | Ma Seok-do |
| Kim Moo-yul | Baek Chang-gi |
| Park Ji-hwan | Jang I-soo |
| Lee Dong-hwi | Jang Dong-cheol |
| Lee Ju-bin | Han Ji-su |
| Lee Beom-soo | Jang Tae-su |
| Kim Min-jae | Kim Man-jae |
| Lee Ji-hoon | Yang Jong-su |
| Kim Do-gun | Jung Da-wit |
| Kim Shin-bi | Kang Nam-su |
| Hyun Bong-sik | Kwon |
| Kim Ji-hoon | Jo Ji-hoon |
| Kim Young-woong | Ahn |
| Ryu Ji-hoon | Lee |
| Baek Seung-hwan | Cho Sung-jae |
| Bae Jae-won | Choi Yoo-sung |
| Ahn Seong-bong | Jason |
| Kim Ho-jun | Salesman |
| Jeong In-gi | Li Sang-yong |
| Kwon Il-yong | Commissioner General |
| Park Bo-kyung | Jin Yeon-ho |
| Kim Soo-jin | Kim Jin-sook |
| Bae Hae-seon | Sung-jae's mother |
| Jo Jin-kyul | Detective |
| Kang Jun-seok | Detective |
| Min Hyo-kyung | Hotel staff |
| Jo Hyun-sik | Casino manager |
| Jeong Ji-young | Funeral director |
| Kang Shin-chul | Investor |
| Jang Tae-min | Gatekeeper |
| Kim Mo-beom | Drug |
| Choi Hyun-do | Detective |
| Kim Seon-mun | Detective |
| Lee Sang-jin | Yellow hair |